It is good to respect that not even local women feel secure walking alone at night in the costal communities.
Malaria happens frequently. The scare of dangerous wildlife is just something tour companies pull in order to make sure no one ventures alone. There was no serpent antidote in Las Marias in Apr `09 because of a broken solar fridge. The locals say that they have herbal remedies that work just as good.
Crimewise Las Marias is as safe as your own back yard. The small village social control makes it nearly impossible for robbers or thieves. But of course, kids can be tempted so leave your doors locked when you are not there.
The desolate route Tocoa - Batalla, is robbed with frequency. Hide your most prized possessions well, but otherwise work with the robbers and you will be ok.
One good way to avoid unfortunate situations is to not stir up temptation from potential thieves. Put away unnecessary wrist watches and jewellery, and be very discrete with your camera and technical gadgets. This also helps to preserve local culture as the great interest in these valuables, combined with the belief that a life in the city is sure to provide heaps of money, leads to an unfortunate urbanisation which in turn results in all the social problems of life in the shantytowns around the cities.
fees/permits
There is no park entrancefee. In Las Marias the head guide asks for a voluntary donation.